Home / 4,746.08-7,120.64-2,281.08

Finding the Fourth Proportional to 4,746.08, 7,120.64 and 2,281.08

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Solution

The fourth proportional to 4,746.08, 7,120.64 and 2,281.08 is: 3,422.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,746.08 : 7,120.64 = 2,281.08 : x
  2. Step 2: Convert to fraction form
    4,746.08/7,120.64 = 2,281.08/x
  3. Step 3: Cross multiply
    4,746.08x = 7,120.64 × 2,281.08
  4. Step 4: Simplify right side
    4,746.08x = 16,242,737.39
  5. Step 5: Solve for x
    x = 16,242,737.39/4,746.08
  6. Step 6: Final answer
    x = 3,422.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.